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MFM MODEL EX-550 kofloc Vietnam, MFM MODEL EX-550 kofloc Viet nam. MFM MODEL EX-550 kofloc

KOFLOC Vietnam, KOFLOC Viet nam, KOFLOC

Features

Metal sealing design
Lower cost but high accuracy measurement.
High speed response and zero stability.
0-5VDC or 4-20mA input/output signal and +/-15VDC or 24VDC power supply.
Mediocrity D-sub 9pin.
Gases registered in EX-550 are usable by rotary-switch.
*Calculate the flow rate with conversion factor based on N2 gas.
RoHS compliance, CE marked.

Stand Specifications

Model Mass Flow Controller Mass Flow Meter
EX-550C EX-550M
Sensor type Thermal sensor
Valve type Normally closed proportional solenoid valve -
Applicable gases(*1) N2、Air、H2、He、Ar、O2、CO2 etc.
(Gases not specifically mentioned here are subject to calibration for N2 equivalent.)
Flow range(*2) 10SCCM ~ 5SLM
Control(measure)range 2 ~ 100%(F.S.)
Response ≤ 1sec (within ± 2%F.S.)(*4)
Accuracy ± 1.0%S.P. (25%F.S. ~ 100%F.S.) , ± 0.25%F.S. ( ~ 25%F.S.)
Repeatability ± 0.2%FS
Operating differential pressure(*3) 50 ~ 300kPa(Ar、CO2:100kPa ~ 300kPa)  -
Inlet maximum pressure 350kPa(G)
Proof pressure 980kPa(G)
External leak rate(He) ≤ 1.0 × 10-11Pa・m3/sec 
Temperature Working temp. 5 ~ 50℃
Accuracy guaranteed temp. 15 ~ 35℃
Allowable storage temp. -10 ~ 60℃
Allowable operating humidity 10 ~ 90%RH(without dew condensation)
Materials of gas contact part SUS316L、PTFE、Ni-Co
Electrical connection Dsub 9pin KFC Standard(SEMI standard compliant)
HR-10A × 2
Flow rate setting signal 0~5VDC(input impedance: approx. 1M Ω) -
or 4~20mA(input impedance: approx. 250 Ω) 
Flow rate output signal 0 ~ 5VDC( load resistance ≧10k Ω)
or 4 ~ 20mA( load resistance ≧500 Ω)
Digital communication RS485 rotary-switch address setting
Required power supply (DC) +15VDC( ± 5%)100mA , -15VDC(± 5%)150mA 
or +24VDC(± 10%) ≤180mA  (MFM would be ≤100mA)
Joint 1/4VCR 
Mounting posture Free
Weight Approx.800g  Approx.550g